Reasoning
FreshHigh confidenceLiveBenchLiveBench 2026-06-25 · ReasoningUpdated: 6/25/2026
89.2 / 100
#10 · 79th percentile
Opus 4.8 Max
Aliases: claude-opus-4-8-max-effort
anthropic-claude-opus-4-8-maxSource ranks stay intact; incompatible raw scores are not added.
Only 1 independent source is verified, so the page keeps the source rank and does not invent a composite total.
Historical snapshots are available on the source score cards.